<template>
  <div class="login_container">
      <div class="login_box">
          <!-- //头像区域 -->
          <div class="avatar_box">
              <img src="../assets/logo.png" alt="">
          </div>
          <!-- //登录表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
             <!-- 用户名 -->
             <el-form-item prop="username">
             <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
             </el-form-item>
             <!-- 密码 -->
             <el-form-item prop="password">
             <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
             </el-form-item>
             <!-- 按钮区域 -->
             <el-form-item class="btns">
             <el-button type="primary" @click="login">登录</el-button>
             <el-button type="info" @click="resetLoginForm">重置</el-button>
             </el-form-item>
         </el-form>
      </div>
      </div>
</template>
<script>
import { log } from 'util';
import { async } from 'q';
export default {
    data () {
        return {
            loginForm: {
                username:'admin',
                password:'123456'
            },
            //这是表单验证的规则对象
            loginFormRules:{
                //验证用户名是否合法
                username: [ 
                    { required: true, message: '请输入登录名称', trigger: 'blur' },
                    { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }],
                //验证密码是否合法
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 20, message: '长度在 6 到 20 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        //点击重置按钮 重置登录表单
        resetLoginForm(){
            // console.log(this);
            //通过ref获取这个组件 然后对着组件重置
            this.$refs.loginFormRef.resetFields()  
        },
        login(){
            this.$refs.loginFormRef.validate(async valid=>{
                if(!valid) return;
              const { data: res} =await this.$http.post("login", this.loginForm);
            //   console.log(res);
            if(res.meta.status!==200) return this.$message.error('登录失败')
            this.$message.success('登录成功')
            // console.log(res);
            //将
            window.sessionStorage.setItem("token", res.data.token)
            this.$router.push("/home")
              
            }
            )  

        }
    },
};
</script>
<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 10px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%)

}
.avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    // background-color: #fff;

    img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }

}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
}
.btns{
    display: flex;
    justify-content: flex-end;
}
</style>